JPS52120841A - Optical fiber producing apparatus - Google Patents

Optical fiber producing apparatus

Info

Publication number
JPS52120841A
JPS52120841A JP3716576A JP3716576A JPS52120841A JP S52120841 A JPS52120841 A JP S52120841A JP 3716576 A JP3716576 A JP 3716576A JP 3716576 A JP3716576 A JP 3716576A JP S52120841 A JPS52120841 A JP S52120841A
Authority
JP
Japan
Prior art keywords
optical fiber
producing apparatus
fiber producing
diameter
fiber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP3716576A
Other languages
Japanese (ja)
Inventor
Yasuo Suganuma
Shigeru Yoshizawa
Genichi Kamoshita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3716576A priority Critical patent/JPS52120841A/en
Publication of JPS52120841A publication Critical patent/JPS52120841A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
    • C03B37/0253—Controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/60—Optical fibre draw furnaces
    • C03B2205/90—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles
    • C03B2205/91—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles by controlling the furnace gas flow rate into or out of the furnace

Abstract

PURPOSE:To uniformalize the diameter of an optical fiber by controlling the fiber diameter in accordance with the measured level of the variation in the diameter of a preform.
JP3716576A 1976-04-05 1976-04-05 Optical fiber producing apparatus Pending JPS52120841A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3716576A JPS52120841A (en) 1976-04-05 1976-04-05 Optical fiber producing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3716576A JPS52120841A (en) 1976-04-05 1976-04-05 Optical fiber producing apparatus

Publications (1)

Publication Number Publication Date
JPS52120841A true JPS52120841A (en) 1977-10-11

Family

ID=12489974

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3716576A Pending JPS52120841A (en) 1976-04-05 1976-04-05 Optical fiber producing apparatus

Country Status (1)

Country Link
JP (1) JPS52120841A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5542215A (en) * 1978-09-13 1980-03-25 Nippon Telegr & Teleph Corp <Ntt> Glass drawing method
JPS5938805A (en) * 1982-07-23 1984-03-02 ゲツツエ・アクチエンゲゼルシヤフト Method and apparatus for adjusting length of work
EP0604786A2 (en) * 1992-12-31 1994-07-06 Corning Incorporated Method and apparatus for making glass objects by drawing glass preforms
EP0615961A1 (en) * 1993-02-15 1994-09-21 Sumitomo Electric Industries, Ltd. Method and apparatus for detecting an irregular portion of an optical fiber
US7197898B2 (en) * 2000-12-04 2007-04-03 Sheng-Guo Wang Robust diameter-controlled optical fiber during optical fiber drawing process
US7302071B2 (en) 2004-09-15 2007-11-27 Schumaier Daniel R Bone conduction hearing assistance device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5542215A (en) * 1978-09-13 1980-03-25 Nippon Telegr & Teleph Corp <Ntt> Glass drawing method
JPS5723650B2 (en) * 1978-09-13 1982-05-19
JPS5938805A (en) * 1982-07-23 1984-03-02 ゲツツエ・アクチエンゲゼルシヤフト Method and apparatus for adjusting length of work
EP0604786A2 (en) * 1992-12-31 1994-07-06 Corning Incorporated Method and apparatus for making glass objects by drawing glass preforms
EP0604786A3 (en) * 1992-12-31 1994-09-14 Corning Inc Method and apparatus for making glass objects by drawing glass preforms.
EP0615961A1 (en) * 1993-02-15 1994-09-21 Sumitomo Electric Industries, Ltd. Method and apparatus for detecting an irregular portion of an optical fiber
US7197898B2 (en) * 2000-12-04 2007-04-03 Sheng-Guo Wang Robust diameter-controlled optical fiber during optical fiber drawing process
US7302071B2 (en) 2004-09-15 2007-11-27 Schumaier Daniel R Bone conduction hearing assistance device

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